Datasheet > EC4304ANT2R

EC4304ANT2R

更新时间： 2024-02-06 07:33:34

品牌	Logo	应用领域
飞虹 - E-CMOS		/
页数	文件大小	规格书
13页	600K
描述
1A, Hysteretic, High Brightness LED Driver with Internal Switch

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EC4304ANT2R 数据手册

EC4304

1A, Hysteretic, High Brightness

LED Driver with Internal Switch

GENERAL DESCRIPTION

FEATURES

The EC4304 is a high-efficiency continuous mode inductive ꢀ Operates from 7V to 40V Supply Voltage

step-down converter which drives N-channel MOSFET and ꢀ Internal 40V NDMOS Switch

it is designed for driving single or multiple series connected ꢀ Output Current 1A

LEDs from a voltage source higher than the LED voltage. It ꢀ Single Pin On/Off and Brightness Control Using

operates from input supply between 7V and 40V and

DC Voltage or PWM

provides and externally adjustable output current to 1A ꢀ EC4304 to 95% Efficiency

which is depending on supply voltage and external ꢀ Typical +/-5% LED Current Accuracy

components.

ꢀ Input Under Voltage Lockout

This EC4304 includes the output switch and high-side

output current sensing circuit, which uses an external

resistor to set the output current.

ꢀ SOT23-5L、DFN 3x3 8L、SOT89-5L Package

ꢀ RoHS Compliant and Halogen-Free

The ADJ pin will accept either a DC voltage or a PWM

waveform. This will provide either a continuous or gated

output current depending upon the control frequency. The

PWM filter components contains a soft-start rising time

setting. The soft-start time can be increased by using an

external capacitor from the ADJ pin to ground. Applying a

0.2V or lower to the ADJ pin turns the output off and

switches the device into a low current standby state.

Applications

ꢀ Automotive LED Lighting

ꢀ High Power LED Lighting

ꢀ Indicator and Emergency Lighting

ꢀ Architectural Lighting

ꢀ Low Voltage Industrial Lighting

ꢀ Signage and Decorative LED Lighting

Functional Block Diagram

E-CMOS Corp. (www.ecmos.com.tw)

Page 1 of 13

4B25N-Rev.F005

12 3 4 5 6 7...13

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